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간경변증 환자에서 t - PA , Euglobulin 섬유소용해능 및 Protein C , S 의 변화와 식도정맥류출혈과의 관계
황성규(Seong Gyu Hwang),백승호(Seung Ho Baik),양동호(Dong Ho Yang),이문호(Moon Ho Lee),조용욱(Yong Wook Cho),김순길(Soon Gil Kim),오도연(Don Yeun Oh),조성원(Sung Won Cho),김선주(Sun Joo Kim),홍세용(Sae Yong Hong) 대한내과학회 1992 대한내과학회지 Vol.43 No.6
Background: Bleeding is common complication and a leading cause of death in cirrhotic patients, Accelerated fibrinolysis and coagulation inhibitor were contributing factors to bleeding. Method: In a study of 20 normal control and 20 liver cirrhosis (10 liver cirrhosis without esophageal variceal bleeding and 10 liver cirrhosis with esophageal variceal bleeding), we tried to evaluate fibrinolytic activity 8r inhibitory factors of the coagulation in liver cirrhosis and to find correlation between variceal bleeding and parameters of fibrinolysis % coagulation inhibitors. Results: 1) t-PA antigen was significantly increased(p <0.05) in patients with liver cirrhosis(22.2±12.5ng/ml) than in normal contro1(3.9±1.9ng/ml), but there was no statistically significant increase in cirrhotic patients with bleeding(26.2±13.8ng/ml) as compared to cirrhotic patients without bleeding(18.2±10.1ng/ml). 2) Euglobulin fibrinolytic activity was significantly higher(p<0,05) in patients with liver cirrhosis(145±37.6 BAU) than in normal control(91±7.8 BAU), but there was no statistically significant increase in cirrhotic patients with bleeding(150±64 BAU)as compared to cirrhotic patients without bleeding(131±22 BAU). 3) The activities of protein C was significantly lower(p<0.05) in patient with bleeding(41±9%) than in patient siwthout bleeding(54±18%). 4) The activities of protein S was lower in patient with bleeding(62±18%) than in patients without bleeding group(77±17%), but there was no statistical significance. 5) There was a significantly linear correlatian between t-PA antigen and euglobulin fibrinolytic activity in normal control and in patients with liver cirrhosis (r=0.807, p<0.01). Conclusion: Fibrinolytic activity(t-PA k euglobulin fibrinolytic activity) was increased in cirrhotic patients, but there was no statistically significant increase of fibrinolytic activity with relation to esophageal variceal bleeding. The activities of protein C was significantly decreased in liver cirrhosis with relation to esophageal variceal bleeding.
박상흠(Sang Heum Park),김선주(Sun Joo Kim),이문호(Moon Ho Lee),문수남(Soo Nam Moon),정일권(Il Kwun Jung),백진기(Jin Ki Paik),김도진(Do Jin Kim),황성규(Seung Gyu hwang),김의한(Eu Han Kim) 대한소화기학회 1993 대한소화기학회지 Vol.25 No.6
Bengn solitary neurilemmoma of the retroperitoneum is a rare disease of nerve sheath origin. A 40-year-old male patient was admitted to our hospital for evaluation of retroperitoneal mass. Abdominal ultrasonography and computed tomogaphy (CT) revealed a solid tumo in the retroperitoneum. On exploratory laparatomy, this mass turned out to be an baseball sized mass of the retroperitoneum. The mass was excised surgically in an encapsulated state. Histological section and immunohistochemical stain revealed a typical neurilemmoma. We report it with a review of literature.
박상흠(Sang Heum Park),김선주(Sun Joo Kim),황성규(Seong Gyu Hwang),이문호(Moon Ho Lee),송옥평(Ok Pyeong Song),김진오(Jin Oh Kim),문수남(Soo Nam Moon),박성규(Seong Gyu Park),김종봉(Jong Bong Kim),김표년(Pyo Nyeon Kim) 대한소화기학회 1993 대한소화기학회지 Vol.25 No.6
Annular pancreas is a rare congenita! abnormality consisting of a ring of pancreatic tissue around the second part of the duodenum. Although it present at birth, it may cause few symptoms until adulthood. The onset of symptoms in the adult are result from associated chronic partial duodenal obstruction, peptic ulcer disease and pancreatitis. Annular pancreas can be diagnosed more frequently under clinical suspicion. Recently, we are experienced a case of annular pancreas detected in 59-year old female patient suffered from chronic intermittent abdominal pain, nausea and vomiting. We diagnosed as incomplete obstruction of the second part of the duodenum by clinical and radiologic information and confirms the annular pancreas by surgery. We report it with a review of the literature
기획B형간염 바이러스의 잠재 감염 ; B형간염 바이러스 잠재 감염의 전염과 재활성화
송상희 ( Sang Hee Song ),황성규 ( Seong Gyu Hwang ) 대한소화기학회 2013 대한소화기학회지 Vol.62 No.3
Occult HBV infection (OBI) is defined as presence of HBV DNA in the liver tissue in patients with serologically undetectable HBsAg. There are differences in virologic and serological profiles of OBI. Majority of OBI are positive for anti-HBs and/or anti-HBc and minor portion are negative for all HBV markers. However, there are no HBV mutations in the surface and its regulatory regions. HBV infection persists by the presence of covalently closed circular DNA (cccDNA) within the infected hepatocytes, which serves as a reservoir for future infection. OBI increases the risk of HBV transmission through transfusion, hemodialysis, and organ transplantation. Therefore effective measures should be employed to screen OBI. Antiviral therapy is needed in HBsAg-negative transplant patients who are anti-HBc positive to prevent the recurrence of HBV infection. Since HBV replication is strongly suppressed by immune surveillance system in OBI patients, immunosuppression results in massive HBV replication. This leads to acute hepatitis and sometimes mortality when immune surveillance is recovered after stopping immunosuppressive drugs/anticancer chemotherapy. Therefore, narrow surveillance is required to recognize the viral reactivation and start antiviral agents during immunosuppressive therapy/anticancer chemotherapy in patients with OBI. (Korean J Gastroenterol 2013;62:148-153)
간장 ( 肝臟 ) 및 담도 ( 膽道 ) : 간세포암과 간경변증에서 C형 간염바이러스 항체의 측정
조성원(Sung Won Cho),심찬섭(Chan Sup Shim),김진홍(Jin Hong Kim),이문성(Moon Sung Lee),조주영(Joo Young Cho),황성규(Seong Gyu Hwang),이희발(Hi Bahl Lee) 대한소화기학회 1991 대한소화기학회지 Vol.23 No.2
N/A To assess the contribution of hepatitis C virus (HCV) in liver cirrhosis and hepatocellular carcinoma, antibody to HCV (anti-HCV) was studied by enzyme immunoassay in 87 patients with liver cirrhosis and 49 patients with hepatocellular carcinoma and 100 healthy controls. Anti-HCV was detected in 12.2% and 10.3%. of patients with hepatocellular carcinoma and liver cirrhosis, respectively. No significant difference in the prevalence of anti-HCV was found between these two groups. Of the 100 healthy controls, none were anti-HCV positive. HBsAg was detected in 67.3% and 55.1% of patients with hepatocellular carcinoma and liver cirrhosis, respectively, and 4% of healthy controls. Anti-HCV was detected in 1 of 33 (3%) HBsAg-positive patients with hepatocellular carcinoma and 5 of 16 (31.2%) HBsAg-negative patients with hepatocellular carcinoma. In liver cerrhosis, Anti-HCV was detected in 3 of 48 (6.2%) HBsAg-positive patients and 6 of 39 (15.3%) HBsAg-negitive patients. 38%.of patients with liver cirrhosis and 22% of patients with hepatocellular carcinoma were negative for both anti-HCV and HBsAg. In conclusion, hepatitis B virus appears to be a more important cause of hepatocellular carcinoma than HCV. But HCV may have a role in the development of hepatocellular carcinoma in some HBsAg-negative patients.
장게실염에 병발한 간문맥과 장관막정맥 내 가스 및 혈전증
이준성(June Sung Lee),홍창권(Chang Kwon Hong),김경철(Kyung Chul Kim),홍성표(Sung Pyo Hong),황성규(Seong Gyu Hwang),박필원(Pil Won Park),임규성(Kyu Sung Rim),김종우(Jong Woo Kim),김희진(Hee Jin Kim) 대한소화기학회 2000 대한소화기학회지 Vol.36 No.3
The diagnosis of acute colonic diverticulitis and the assessment of its severity may be difficult. Especially, in the elderly patients with it, immediate diagnosis and initiation of therapy greatly influence the outcome. Pericolonic abscess and fistula formation, perforation, luminal obstruction, and peritonitis are well- known complications of diverticulitis. Rarely, the inflammatory process can extend into the venous drainage of the affected portion of the colon. Ultrasonography is a newly used imaging modality in patients under the suspicion of acute colonic diverticulitis and its complications. We experienced a case of colonic diverticulitis of which delayed diagnosis resulted in the development of portal and mesenteric vein gas and thrombosis. The literature on portal and mesenteric venous gas associated with colonic diverticulitis is reviewed, and the usefulness of ultrasound as a rapid, noninvasive tool to diagnose this rare condition is discussed. (Kor J Gastroenterol 2000;36:408 - 412)
유정환 ( Jeong Hwan Yoo ),황성규 ( Seong Gyu Hwang ),양동호 ( Dong Ho Yang ),손명수 ( Myung Su Son ),권창일 ( Chang Il Kwon ),고광현 ( Kwang Hyun Ko ),홍성표 ( Sung Pyo Hong ),박필원 ( Pil Won Park ),임규성 ( Kyu Sung Rim ) 대한소화기학회 2013 대한소화기학회지 Vol.61 No.4
Background/Aims: The prevalence of occult HBV infection depends on the prevalence of HBV infection in the general population. Hemodialysis patients are at increased risk for HBV infection. The aim of this study was to determine the prevalence of occult HBV infection in hemodialysis patients. Methods: Total of 98 patients undergoing hemodialysis in CHA Bundang Medical Center (Seongnam, Korea) were included. Liver function tests and analysis of HBsAg, anti-HBs, anti-HBc and anti-HCV were performed. HBV DNA testing was conducted by using two specific quantitative methods. Results: HBsAg was detected in 4 of 98 patients (4.1%), and they were excluded. Among 94 patients with HBsAg negative and anti-HCV negative, one (1.1%) patient with the TaqMan PCR test and 3 (3.2%) patients with the COBAS Amplicor HBV test were positive for HBV DNA. One patient was positive in both methods. Two patients were positive for both anti-HBs and anti-HBc and one patient was negative for both anti-HBs and anti-HBc. Conclusions: The present study showed the prevalence of occult HBV infection in HBsAg negative and anti-HCV negative patients on hemodialysis at our center was 3.2%. Because there is possibility of HBV transmission in HBsAg negative patients on hemodialysis, more attention should be given to prevent HBV transmission. (Korean J Gastroenterol 2013;61:209-214)
인체 간세포암 조직 염색체 DNA에 삽입된 B형 간염 바이러스 DNA의 검출과 삽입 부위 구조의 결정
예병일(Byung Il Yeb),황성규(Seong Gyu Hwang),오상환(Sang Hwan Oh) 대한소화기학회 1994 대한소화기학회지 Vol.26 No.3
N/A The insertion of hepatitis B virus(HBV) DNA into the chromosomal DNA of hepatocellular carcinoma(HCC) tissue was identified in most patients tested. X gene locus of HBV in the chro- mosomal DNA of HCC tissue was detected in 9 out of 11 patients, and pre S and S gene loci were detected in 1 and 8 out of 11 patient.s, respectively. The insertion of P gene locus of HBV into the chromosomal D'NA was detected in 6 out of 11 patients, but the insertion of C gene was not, detected in any of them. About 400bp amplified by polymerase chain reaction using an oligonucleotide complementary to pre S gene locus and nonspecific oligo dG as primers revealed tha( HBV DNA(Xo. 42 base) was linked t.o chromosomal DNA. From these results it is con- cluded that HBV DNA was inserted into the chromosomal DNA of most HCC tissues from the HHV infected patient.s and that the insertion of X and S gene loci were predominant. The pres- ent results also implicate that the single stranded region of HBV genome is frequent insertion site and that direct repeat sequences(DR1, DR2) of X gene might involve in the HBV DNA in- sertion into the chromosomal DNA. (Korean J Gastroenterol 1994;26: 529 540)